CM 4.21
28. June 2019
CM 4.11
28. June 2019
CM 4.21 HR
Wireless cycle computer with heart rate monitor
The wireless CM 4.21 HR cycle computer is not only a true eye-catcher with its modern, innovative look, but it can also be configured via your PC.
Product description
Features and specifications
The wireless CM 4.21 HR cycle computer is a true eye-catcher with its modern, innovative look. The CM 4.21 HR is the ideal companion for ambitious cyclists on longer rides. The TwoInOne system caters for two different wheel sizes,
so it can be used on two bikes, and the unit can also be upgraded with cadence sensor and heart rate monitor. The 4.21 HR includes heart rate monitoring out of the box. Additionally, all cumulative data can be exported from the cycle computer.
Technologies
Functions of the CM 4.21 HR
– Large, easily legible three-line display (approx. 10% larger than the previous model)
– Customisable function display (multiple-choice system)
– Aerodynamic design and scratch-proof housing
– Save and configure cumulative values and settings on the PC
– Inset rubberised buttons for enhanced operating comfort
– Quick and easy operation thanks to simple menu navigation
– Ease of handling thanks to twist-click handlebar mount
– Multi-Lock: handlebar mount can also be fitted to the stem
– TwoInOne system
– Easy battery replacement thanks to quick-release closure
Service
Manuals and software downloads
Manuals
Windows
macOS